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Fluid inclusions in whiteschist in the ultrahigh-pressure metamorphic belt of Dabie Shan, China

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Chinese Science Bulletin

Abstract

Hualiangting whiteschist in the Dabie Shan ultrahigh-pressure eclogite complex is a specific Mg-Al- rich metamorphic rock. Its protolith was a felsic dyke, which suffered replacement by high-pressure fluids during eclogite-facies metamorphism. Based on fluid inclusion results in whiteschist, primary high-pressure fluids are CO2-bearing aqueous solutions. Those prove that there exists CO2-H2O fluid during the ultrahigh-pressure metamorphism. Pseudosecondary H2O inclusions were trapped during ultrahigh-pressure exhumation, whereas secondary H2O inclusions were related to the latest evolutionary stage of the ultrahigh-pressure exhumation.

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Correspondence to Hongrui Fan.

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Fan, H., Liu, J., Guo, J. et al. Fluid inclusions in whiteschist in the ultrahigh-pressure metamorphic belt of Dabie Shan, China. Chin. Sci. Bull. 47, 1028–1032 (2002). https://doi.org/10.1007/BF02907576

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  • DOI: https://doi.org/10.1007/BF02907576

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